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Code Issues Releases Wiki Activity

arb:: factored out load_tile

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This commit is contained in:
Zeno Rogue 2020-05-01 17:10:53 +02:00
parent c556c23276
commit d8d7bf01bd
1 changed files with 31 additions and 48 deletions
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79
arbitrile.cpp
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@ -127,6 +127,35 @@ template<class T> void verify_index(int index, const T& v, exp_parser& ep) { if(
string unnamed = "unnamed";
EX void load_tile(exp_parser& ep, bool unit) {
current.shapes.emplace_back();
auto& cc = current.shapes.back();
cc.id = isize(current.shapes) - 1;
cc.flags = 0;
while(ep.next() != ')') {
ld dist = 1;
if(!unit) {
dist = ep.rparse(0);
ep.force_eat(",");
}
ld angle = ep.rparse(0);
cc.edges.push_back(real(dist * ep.extra_params["distunit"]));
cc.angles.push_back(real(angle * ep.extra_params["angleunit"] + ep.extra_params["angleofs"]));
if(ep.eat(",")) continue;
else if(ep.eat(")")) break;
else throw hr_parse_exception("expecting , or )");
}
try {
cc.build_from_angles_edges();
}
catch(hr_parse_exception& ex) {
throw hr_parse_exception(ex.s + ep.where());
}
cc.connections.resize(cc.size());
for(int i=0; i<isize(cc.connections); i++)
cc.connections[i] = make_tuple(cc.id, i, false);
}
EX void load(const string& fname) {
fhstream f(fname, "rt");
string s;
@ -205,54 +234,8 @@ EX void load(const string& fname) {
if(debugflags & DF_GEOM)
println(hlog, "let ", tok, " = ", real(ep.extra_params[tok]));
}
else if(ep.eat("unittile(")) {
c.shapes.emplace_back();
auto& cc = c.shapes.back();
cc.id = isize(c.shapes) - 1;
cc.flags = 0;
while(ep.next() != ')') {
ld angle = ep.rparse(0);
cc.edges.push_back(distunit);
cc.angles.push_back(angle * angleunit + angleofs);
if(ep.eat(",")) continue;
else if(ep.eat(")")) break;
else throw hr_parse_exception("expecting , or )");
}
try {
cc.build_from_angles_edges();
}
catch(hr_parse_exception& ex) {
throw hr_parse_exception(ex.s + ep.where());
}
cc.connections.resize(cc.size());
for(int i=0; i<isize(cc.connections); i++)
cc.connections[i] = make_tuple(cc.id, i, false);
}
else if(ep.eat("tile(")) {
c.shapes.emplace_back();
auto& cc = c.shapes.back();
cc.id = isize(c.shapes) - 1;
cc.flags = 0;
while(ep.next() != ')') {
ld dist = ep.rparse(0);
ep.force_eat(",");
ld angle = ep.rparse(0);
cc.edges.push_back(dist * distunit);
cc.angles.push_back(angle * angleunit + angleofs);
if(ep.eat(",")) continue;
else if(ep.eat(")")) break;
else throw hr_parse_exception("expecting , or )");
}
try {
cc.build_from_angles_edges();
}
catch(hr_parse_exception& ex) {
throw hr_parse_exception(ex.s + ep.where());
}
cc.connections.resize(cc.size());
for(int i=0; i<isize(cc.connections); i++)
cc.connections[i] = make_tuple(cc.id, i, false);
}
else if(ep.eat("unittile(")) load_tile(ep, true);
else if(ep.eat("tile(")) load_tile(ep, false);
else if(ep.eat("conway(\"")) {
string s = "";
while(true) {